124 lines
3.1 KiB
Bash
Executable File
124 lines
3.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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#===- llvm/utils/docker/scripts/checkout.sh ---------------------===//
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#
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# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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# See https://llvm.org/LICENSE.txt for license information.
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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#
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#===-----------------------------------------------------------------------===//
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set -e
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function show_usage() {
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cat << EOF
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Usage: checkout.sh [options]
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Checkout git sources into /tmp/clang-build/src. Used inside a docker container.
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Available options:
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-h|--help show this help message
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-b|--branch git branch to checkout, i.e. 'main',
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'release/10.x'
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(default: 'main')
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-r|--revision git revision to checkout
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-c|--cherrypick revision to cherry-pick. Can be specified multiple times.
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Cherry-picks are performed in the sorted order using the
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following command:
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'git cherry-pick \$rev)'.
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EOF
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}
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LLVM_GIT_REV=""
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CHERRYPICKS=""
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LLVM_BRANCH=""
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while [[ $# -gt 0 ]]; do
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case "$1" in
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-r|--revision)
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shift
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LLVM_GIT_REV="$1"
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shift
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;;
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-c|--cherrypick)
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shift
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CHERRYPICKS="$CHERRYPICKS $1"
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shift
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;;
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-b|--branch)
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shift
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LLVM_BRANCH="$1"
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shift
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;;
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-h|--help)
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show_usage
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exit 0
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;;
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*)
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echo "Unknown option: $1"
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exit 1
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esac
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done
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if [ "$LLVM_BRANCH" == "" ]; then
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LLVM_BRANCH="main"
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fi
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if [ "$LLVM_GIT_REV" != "" ]; then
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GIT_REV_ARG="$LLVM_GIT_REV"
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echo "Checking out git revision $LLVM_GIT_REV."
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else
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GIT_REV_ARG=""
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echo "Checking out latest git revision."
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fi
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# Sort cherrypicks and remove duplicates.
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CHERRYPICKS="$(echo "$CHERRYPICKS" | xargs -n1 | sort | uniq | xargs)"
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function apply_cherrypicks() {
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local CHECKOUT_DIR="$1"
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[ "$CHERRYPICKS" == "" ] || echo "Applying cherrypicks"
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pushd "$CHECKOUT_DIR"
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# This function is always called on a sorted list of cherrypicks.
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for CHERRY_REV in $CHERRYPICKS; do
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echo "Cherry-picking $CHERRY_REV into $CHECKOUT_DIR"
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git cherry-pick $CHERRY_REV
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done
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popd
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}
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CLANG_BUILD_DIR=/tmp/clang-build
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# Get the sources from git.
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echo "Checking out sources from git"
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mkdir -p "$CLANG_BUILD_DIR/src"
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CHECKOUT_DIR="$CLANG_BUILD_DIR/src"
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echo "Checking out https://github.com/llvm/llvm-project.git to $CHECKOUT_DIR"
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git clone -b $LLVM_BRANCH --single-branch \
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"https://github.com/llvm/llvm-project.git" \
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"$CHECKOUT_DIR"
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pushd $CHECKOUT_DIR
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git checkout -q $GIT_REV_ARG
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popd
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# We apply cherrypicks to all repositories regardless of whether the revision
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# changes this repository or not. For repositories not affected by the
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# cherrypick, applying the cherrypick is a no-op.
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apply_cherrypicks "$CHECKOUT_DIR"
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CHECKSUMS_FILE="/tmp/checksums/checksums.txt"
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if [ -f "$CHECKSUMS_FILE" ]; then
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echo "Validating checksums for LLVM checkout..."
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python "$(dirname $0)/llvm_checksum/llvm_checksum.py" -c "$CHECKSUMS_FILE" \
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--partial --multi_dir "$CLANG_BUILD_DIR/src"
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else
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echo "Skipping checksumming checks..."
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fi
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echo "Done"
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